<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>03-filter</title>
</head>
<body>
    <script>
        // filter 过滤
         let arr = [11,22,8,6,12,5];
         let arr1 = arr.filter((value,index,array) =>{
            //  console.log(value,index,array);
             if(value > 10 ){
                 // 该元素符合条件
                 return true;
             }
         });
         console.log(arr1);  // [11, 22, 12]
    </script>
</body>
</html>